Abstract In order to clarify the discharge characteristics of outer rotor permanent magnet passively compensated pulsed alternator (ORPMPCPA), the influence of passive compensation on the inductance of armature winding was taken into account, the change in the rotating speed due to the electromechanical energy conversion was considered, and thus the discharge mathematical model of ORPMPCPA for the load was established. The forming process of pulse current and conversion process of energy as well as the influence of relative factors on the pulse current waveform of ORPMPCPA were simulated and analyzed. The simulated results reveal that under the working condition, the kinetic energy stored in the rotor can be instantaneously transformed into the strong pulse electric energy, and the pulse discharge current waveform can be flexibly adjusted through changing the trigger angle, two-phase winding combination mode and external inductance value. Through comparing the experimental results of the prototype and the simulation results, the accuracy of the proposed analysis method for the discharge characteristics is proved.
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2022, Vol. 37 
